Welcome to Big Fish Casino and have fun with over + free virtual-mobile slot machines in a casino setting. . General Info: () Advertisements. Your favorite Big Fish Casino game is online! Play for free. How may we be of service? Big Fish Games. How do I contact Customer Support? If you can't find the answer to your question on our help site, you can contact Customer Support by email. Big Fish Games Emails. big fish games customer service phone number. Indulge in the ultimate social casino. Spin, compete, show off, and make friends! Dansk Deutsch Español Français Italiano 日本語 한국어 Nederlands Português do Brasil Русский svenska 简体中文 繁體中文.